新概念英语2册45课问题有一句话是:Three months passed,and then one morning,San found his wallet outside his front door.我想问:1.,and then one morning,在and前面加逗号是为什么啊?2.and和then在这里干什么?应该是on o
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/02 19:38:02
xRNP^@E˸e!ka}N3.#pcmE>`=mq>1cLc&=o}>ޓ̥sۡeXz*=5x|nv^5M4BƔrijiYR!钡ǿzV&?Qui¯L֔Ս
[3